body{
    margin: 0;
}

.block_2{
    
    position: absolute;
    left: 300px;
    width: 100%;
    height: 100%;
    background-color: BLUE;
    
}

.block_1{
    position: absolute;
    left: 0px ;
    width: 300px;
    height: 100% ;
    background-color: RED;
}
.titre{
    text-align: center;
    
}
.test{
    position: absolute;
    bottom: 5%;
    left: 30%;
    
    text-align : center;
    
}

#mydiv {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
}
#mydiv2 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    
    
    text-align: center;
}

#mydiv3 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv4 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv5 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv6 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv7 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv8 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
    
}
#mydiv9 {
    position: absolute;
    z-index: 9;
    width: 150px;
    height: 150px;
    text-align: center;
}

#mydivheader {
    padding: 10px;
    cursor: move;
    z-index: 10;
}
.img{
    width: 150px;
    height:150px;
}
.enigme{
    position:absolute;
    color-background: #FEFEE2;
    
    width: 500px;
    height:500px;
    left: 500px;
    top: 500px;
}